After she wrapped up her second day of shooting, Montag Twittered that she was more in awe of Hollywood than ever. "I LOVE Adam Sandler!!" she wrote.

As for Jennifer Aniston, the star admitted on Monday that she had "just heard" about Montag's cameo in the film. "That's interesting and fun," Aniston, 41, told Access Hollywood. She added that Montag is "perfect" for the part.